[GRASS-git] [OSGeo/grass] ec56b0: Remove colouring of standard buttons (#744)

[nilason]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: ec56b0a22601be99a388ba42dae0c4d5d84f1afa
      https://github.com/OSGeo/grass/commit/ec56b0a22601be99a388ba42dae0c4d5d84f1afa
  Author: nilason <n_larsson at yahoo.com>
  Date:   2020-07-25 (Sat, 25 Jul 2020)

  Changed paths:
    M gui/wxpython/gis_set.py
    M gui/wxpython/gui_core/dialogs.py
    M gui/wxpython/gui_core/forms.py
    M gui/wxpython/image2target/ii2t_gis_set.py
    M gui/wxpython/modules/mcalc_builder.py

  Log Message:
  -----------
  Remove colouring of standard buttons (#744)

Fixes #743